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Finding the Fourth Proportional to 32,513.40, 44,906.40 and 21,886.20

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Solution

The fourth proportional to 32,513.40, 44,906.40 and 21,886.20 is: 30,228.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,513.40 : 44,906.40 = 21,886.20 : x
  2. Step 2: Convert to fraction form
    32,513.40/44,906.40 = 21,886.20/x
  3. Step 3: Cross multiply
    32,513.40x = 44,906.40 × 21,886.20
  4. Step 4: Simplify right side
    32,513.40x = 982,830,451.68
  5. Step 5: Solve for x
    x = 982,830,451.68/32,513.40
  6. Step 6: Final answer
    x = 30,228.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.